271 FZPN03 KNHC 280937 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC TUE AUG 28 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. PAN PAN E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC TUE AUG 28. 24 HOUR FORECAST VALID 0600 UTC WED AUG 29. 48 HOUR FORECAST VALID 0600 UTC THU AUG 30. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM MIRIAM NEAR 14.0N 133.5W 999 MB AT 0900 UTC AUG 28 MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 45 NM SW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE FROM 12.5N TO 15.5N BETWEEN 131.5W AND 135W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11.5N TO 18N BETWEEN 130W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE MIRIAM NEAR 14.1N 137.1W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E SEMICIRCLE AND 50 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 105 NM W SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE FROM 12.5N TO 16N BETWEEN 135W AND 139W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N TO 17N BETWEEN 135W AND 140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE MIRIAM NEAR 15.1N 140.1W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM E SEMICIRCLE...105 NM W SEMICIRCLE WITH SEAS TO 30 FT. ELSEWHERE FROM 13N TO 17N BETWEEN 138W AND 142W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N TO 19N W OF 136W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE MIRIAM NEAR 17.9N 141.0W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 17.9N 141.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 17.9N 141.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...GALE WARNING... .LOW PRES NEAR 16N111W 1007 MB. WITHIN 60 NM OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. POSSIBLE TROPICAL CYCLONE FORMATION. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17N115W 1006 MB. WITHIN 60 NM OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17.6N117W 1004 MB. WITHIN 75 NM N SEMICIRCLE WINDS 30 TO 35 KT. SEAS 11 TO 14 FT. ELSEWHERE FROM 16.5N TO 19N BETWEEN 115W AND 118W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN MIXED SWELL. REMAINDER AREA FROM 16N TO 20N BETWEEN 115W AND 119W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 18N118W 1003 MB. WITHIN 45 NM OF LOW WINDS 30 TO 35 KT. SEAS 12 TO 19 FT. ELSEWHERE FROM 16.5N TO 19N BETWEEN 117W AND 120W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT IN MIXED SWELL. REMAINDER AREA FROM 16N TO 20N BETWEEN 116W AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .SYNOPSIS AND FORECAST. .TROUGH W OF 140W. FROM 16N TO 23N W OF 137W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .12 HOUR FORECAST TROUGH W OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0915 UTC TUE AUG 28... .TROPICAL STORM MIRIAM...NUMEROUS MODERATE SCATTERED STRONG FROM 11N TO 15N BETWEEN 132W AND 136W. SCATTERED MODERATE ELSEWHERE FROM 10N TO 16N BETWEEN 128W AND 138W. .LOW PRES NEAR 16N111W...SCATTERED MODERATE ISOLATED STRONG WITHIN 210 NM IN THE NW SEMICIRCLE AND WITHIN 90 NM IN THE SW QUADRANT. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER NORTHERN COLOMBIA NEAR 09N74W TO 08N83W TO 08N96W TO LOW PRES NEAR 16N111W TO 11N120W TO 12N126W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N E OF 100W. SCATTERED MODERATE FROM 08N TO 16N BETWEEN 114W AND 124W. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.